Surat is a port city situated on the banks of the Tapi river. Damming of the Tapi caused the original port facilities to close; the nearest port is now in the Magadalla and Hazira area of Surat Metropolitan Region. It has a famous beach called ‘Dumas Beach’ located in Hazira. The city is located at 21°10′N 72°50′E.[32] It has an average elevation of 13 metres. The Surat district is surrounded by the Bharuch, Narmada, Navsari, to the west is the Gulf of Cambay and the surrounding districts. The climate is tropical and monsoon rainfall is abundant (about 2,500 mm a year). According to the Bureau of Indian Standards, the town falls under seismic zone-III, in a scale of I to V (in order of increasing vulnerability to earthquakes).[33]

Climate
Surat has a tropical savanna climate (Köppen: Aw), moderated strongly by the Sea to the Gulf of Camboy. The summer begins in early March and lasts until June. April and May are the hottest months, the average maximum temperature being 37 °C (99 °F). Monsoon begins in late June and the city receives about 1,200 millimetres (47 in) of rain by the end of September, with the average maximum being 32 °C (90 °F) during those months. October and November see the retreat of the monsoon and a return of high temperatures until late November. Winter starts in December and ends in late February, with average mean temperatures of around 23 °C (73 °F), and negligible rain.